chromium/third_party/grpc/src/src/core/tsi/alts/crypt/gsec.cc

//
//
// Copyright 2018 gRPC authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
//

#include <grpc/support/port_platform.h>

#include "src/core/tsi/alts/crypt/gsec.h"

#include <stdio.h>
#include <string.h>

#include <grpc/support/alloc.h>

static const char vtable_error_msg[] = …;

static void maybe_copy_error_msg(const char* src, char** dst) { … }

grpc_status_code gsec_aead_crypter_encrypt(
    gsec_aead_crypter* crypter, const uint8_t* nonce, size_t nonce_length,
    const uint8_t* aad, size_t aad_length, const uint8_t* plaintext,
    size_t plaintext_length, uint8_t* ciphertext_and_tag,
    size_t ciphertext_and_tag_length, size_t* bytes_written,
    char** error_details) { … }

grpc_status_code gsec_aead_crypter_encrypt_iovec(
    gsec_aead_crypter* crypter, const uint8_t* nonce, size_t nonce_length,
    const struct iovec* aad_vec, size_t aad_vec_length,
    const struct iovec* plaintext_vec, size_t plaintext_vec_length,
    struct iovec ciphertext_vec, size_t* ciphertext_bytes_written,
    char** error_details) { … }

grpc_status_code gsec_aead_crypter_decrypt(
    gsec_aead_crypter* crypter, const uint8_t* nonce, size_t nonce_length,
    const uint8_t* aad, size_t aad_length, const uint8_t* ciphertext_and_tag,
    size_t ciphertext_and_tag_length, uint8_t* plaintext,
    size_t plaintext_length, size_t* bytes_written, char** error_details) { … }

grpc_status_code gsec_aead_crypter_decrypt_iovec(
    gsec_aead_crypter* crypter, const uint8_t* nonce, size_t nonce_length,
    const struct iovec* aad_vec, size_t aad_vec_length,
    const struct iovec* ciphertext_vec, size_t ciphertext_vec_length,
    struct iovec plaintext_vec, size_t* plaintext_bytes_written,
    char** error_details) { … }

grpc_status_code gsec_aead_crypter_max_ciphertext_and_tag_length(
    const gsec_aead_crypter* crypter, size_t plaintext_length,
    size_t* max_ciphertext_and_tag_length_to_return, char** error_details) { … }

grpc_status_code gsec_aead_crypter_max_plaintext_length(
    const gsec_aead_crypter* crypter, size_t ciphertext_and_tag_length,
    size_t* max_plaintext_length_to_return, char** error_details) { … }

grpc_status_code gsec_aead_crypter_nonce_length(
    const gsec_aead_crypter* crypter, size_t* nonce_length_to_return,
    char** error_details) { … }

grpc_status_code gsec_aead_crypter_key_length(const gsec_aead_crypter* crypter,
                                              size_t* key_length_to_return,
                                              char** error_details) { … }

grpc_status_code gsec_aead_crypter_tag_length(const gsec_aead_crypter* crypter,
                                              size_t* tag_length_to_return,
                                              char** error_details) { … }

void gsec_aead_crypter_destroy(gsec_aead_crypter* crypter) { … }